Sourced from @​noble/ciphers's releases.

2.2.0

• March 2026 self-audit (all files): no major issues found
  • Audited for spec compliance and security
  • Fix: ctr from webcrypto submodule used wrong counter wrapping
  • Fix: MAC no longer corrupts oversized outputs
  • Align CMAC API to other MACs
• Fix all Byte Array types, to ensure proper work in both TypeScript 5.6 & TypeScript 5.9+
  • TS 5.6 has Uint8Array, while TS 5.9+ made it generic Uint8Array<ArrayBuffer>
  • This creates incompatibility of code between versions
  • Previously, it was hard to use and constantly emitted errors similar to TS2345
  • See typescript#62240 for more context
• Fix compilation issues on TypeScript v6
• Zeroization improvements by @​ChALkeR in paulmillr/noble-ciphers#67, paulmillr/noble-ciphers#68
• Make package Big Endian friendly. All tests pass on s390x
• Improve tree-shaking, reduce bundle sizes
• Add massive amounts of documentation everywhere

Full Changelog: https://github.com/paulmillr/noble-ciphers/compare/2.1.1...2.2.0

2.1.1

• Implement AES-SIV by @​overheadhunter in paulmillr/noble-ciphers#62
  • AES-SIV (RFC 5297) is different from AES-GCM-SIV (RFC 8452)
  • Deprecate old siv export in aes.js because it was an alias to gcmsiv
• Publish provenance statement, missed in 2.0.1 due to GitHub bugs

New Contributors

• @​overheadhunter made their first contribution in paulmillr/noble-ciphers#62

Full Changelog: https://github.com/paulmillr/noble-ciphers/compare/2.0.1...2.1.0

2.0.1

• Disable extension-less imports. If you've used /chacha, switch to /chacha.js now. See 2.0.0 for more details.
• package.json: specify exported submodules to ensure typescript autocompletion

GitHub Immutable Releases

This GH release does not include NPM & JSR attestations, until we fix bugs related to newly added GitHub Immutable Releases

Full Changelog: https://github.com/paulmillr/noble-ciphers/compare/2.0.0...2.0.1

2.0.0

High-level

• The package is now ESM-only. ESM can finally be loaded from common.js on node v20.19+
  • Node v20.19 is now the minimum required version
  • Package imports now work correctly in bundler-less environments, such as browsers
  • Reduces npm package size (traffic consumed): 118KB => 99KB
  • Reduces unpacked npm size (on-disk space): 753KB => 458KB
• Make bundle sizes smaller, compared to v1.x
• .js extension must be used for all modules

... (truncated)

• b097e68 Release 2.2.0.
• 0c24e29 Minor formatting fix
• 7e7ec1e Merge pull request #68 from ChALkeR/patch-2
• 5316f58 fixup: also in chacha
• 953887f fixup: cleanup ciphPlaintext too
• 98b8578 fix: cleanup on salsa tag mismatch
• e160698 Merge pull request #67 from ChALkeR/patch-1
• 3d91c2a Minor formatting fixes
• 400bea0 fix: cleanup in gcm tag mismatch
• 4361ffc Run prettier format on tests
• Additional commits viewable in compare view

This version was pushed to npm by GitHub Actions, a new releaser for @​noble/ciphers since your current version.